2113404071 has 2 divisors, whose sum is σ = 2113404072. Its totient is φ = 2113404070.

The previous prime is 2113404031. The next prime is 2113404077. The reversal of 2113404071 is 1704043112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113404071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113404077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056702035 + 1056702036.

It is an arithmetic number, because the mean of its divisors is an integer number (1056702036).

Almost surely, 2^2113404071 is an apocalyptic number.

2113404071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113404071 is an equidigital number, since it uses as much as digits as its factorization.

2113404071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2113404071 is about 45971.7747210177. The cubic root of 2113404071 is about 1283.2979875725.

Adding to 2113404071 its reverse (1704043112), we get a palindrome (3817447183).

The spelling of 2113404071 in words is "two billion, one hundred thirteen million, four hundred four thousand, seventy-one".